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      1 /*
      2 * Copyright (c) 2014 - 2016, The Linux Foundation. All rights reserved.
      3 *
      4 * Redistribution and use in source and binary forms, with or without modification, are permitted
      5 * provided that the following conditions are met:
      6 *    * Redistributions of source code must retain the above copyright notice, this list of
      7 *      conditions and the following disclaimer.
      8 *    * Redistributions in binary form must reproduce the above copyright notice, this list of
      9 *      conditions and the following disclaimer in the documentation and/or other materials provided
     10 *      with the distribution.
     11 *    * Neither the name of The Linux Foundation nor the names of its contributors may be used to
     12 *      endorse or promote products derived from this software without specific prior written
     13 *      permission.
     14 *
     15 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     16 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
     17 * NON-INFRINGEMENT ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
     18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
     19 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
     20 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
     21 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     22 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     23 */
     24 
     25 #ifndef __STRATEGY_H__
     26 #define __STRATEGY_H__
     27 
     28 #include <core/display_interface.h>
     29 #include <private/extension_interface.h>
     30 
     31 namespace sdm {
     32 
     33 class Strategy {
     34  public:
     35   Strategy(ExtensionInterface *extension_intf, DisplayType type,
     36            const HWResourceInfo &hw_resource_info, const HWPanelInfo &hw_panel_info,
     37            const HWMixerAttributes &mixer_attributes, const HWDisplayAttributes &display_attributes,
     38            const DisplayConfigVariableInfo &fb_config);
     39 
     40   DisplayError Init();
     41   DisplayError Deinit();
     42 
     43   DisplayError Start(HWLayersInfo *hw_layers_info, uint32_t *max_attempts,
     44                      bool partial_update_enable);
     45   DisplayError GetNextStrategy(StrategyConstraints *constraints);
     46   DisplayError Stop();
     47   DisplayError Reconfigure(const HWPanelInfo &hw_panel_info,
     48                            const HWDisplayAttributes &hw_display_attributes,
     49                            const HWMixerAttributes &mixer_attributes,
     50                            const DisplayConfigVariableInfo &fb_config);
     51 
     52  private:
     53   void GenerateROI();
     54 
     55   ExtensionInterface *extension_intf_ = NULL;
     56   StrategyInterface *strategy_intf_ = NULL;
     57   PartialUpdateInterface *partial_update_intf_ = NULL;
     58   DisplayType display_type_;
     59   HWResourceInfo hw_resource_info_;
     60   HWPanelInfo hw_panel_info_;
     61   HWLayersInfo *hw_layers_info_ = NULL;
     62   HWMixerAttributes mixer_attributes_ = {};
     63   HWDisplayAttributes display_attributes_ = {};
     64   DisplayConfigVariableInfo fb_config_ = {};
     65   uint32_t fb_layer_index_ = 0;
     66   bool extn_start_success_ = false;
     67   bool tried_default_ = false;
     68 };
     69 
     70 }  // namespace sdm
     71 
     72 #endif  // __STRATEGY_H__
     73 
     74